SE311109B - - Google Patents
Info
- Publication number
- SE311109B SE311109B SE1643767A SE1643767A SE311109B SE 311109 B SE311109 B SE 311109B SE 1643767 A SE1643767 A SE 1643767A SE 1643767 A SE1643767 A SE 1643767A SE 311109 B SE311109 B SE 311109B
- Authority
- SE
- Sweden
- Prior art keywords
- pulp
- chlorine
- tower
- bleaching
- tube
- Prior art date
Links
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 12
- 239000000460 chlorine Substances 0.000 abstract 12
- 229910052801 chlorine Inorganic materials 0.000 abstract 11
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 abstract 10
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 abstract 8
- 238000004061 bleaching Methods 0.000 abstract 7
- 229920005610 lignin Polymers 0.000 abstract 6
- 239000004155 Chlorine dioxide Substances 0.000 abstract 5
- 235000019398 chlorine dioxide Nutrition 0.000 abstract 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 2
- 239000007844 bleaching agent Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- 229920001131 Pulp (paper) Polymers 0.000 abstract 1
- 229920000297 Rayon Polymers 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 229910001902 chlorine oxide Inorganic materials 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000025 natural resin Substances 0.000 abstract 1
- 239000002964 rayon Substances 0.000 abstract 1
- 239000012260 resinous material Substances 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
- D21C9/083—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with inorganic compounds
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Paper (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1643767A SE311109B (en, 2012) | 1967-11-30 | 1967-11-30 | |
| GB5358368A GB1164590A (en) | 1967-11-30 | 1968-11-12 | Method for producing Viscose Pulp having good Filterability and Low Tendency of Clogging the Spinning Nozzles |
| DE19681810704 DE1810704C3 (de) | 1967-11-30 | 1968-11-25 | Verfahren zum Bleichen von Holzpulpe für die Herstellung von Kunstseidenpulpe |
| FR1593422D FR1593422A (en, 2012) | 1967-11-30 | 1968-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1643767A SE311109B (en, 2012) | 1967-11-30 | 1967-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE311109B true SE311109B (en, 2012) | 1969-05-27 |
Family
ID=20302240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE1643767A SE311109B (en, 2012) | 1967-11-30 | 1967-11-30 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1810704C3 (en, 2012) |
| FR (1) | FR1593422A (en, 2012) |
| GB (1) | GB1164590A (en, 2012) |
| SE (1) | SE311109B (en, 2012) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE389351B (sv) * | 1975-03-14 | 1976-11-01 | Kamyr Ab | Sett och anordning for fordelning och inblandning av gas och/eller vetska i massasuspensioner av hog koncentration. |
-
1967
- 1967-11-30 SE SE1643767A patent/SE311109B/xx unknown
-
1968
- 1968-11-12 GB GB5358368A patent/GB1164590A/en not_active Expired
- 1968-11-25 DE DE19681810704 patent/DE1810704C3/de not_active Expired
- 1968-11-26 FR FR1593422D patent/FR1593422A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1810704C3 (de) | 1974-02-28 |
| GB1164590A (en) | 1969-09-17 |
| DE1810704B2 (de) | 1973-07-19 |
| FR1593422A (en, 2012) | 1970-05-25 |
| DE1810704A1 (de) | 1969-09-04 |
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